:root {
  color-scheme: dark;
  --bg: #07110d;
  --panel: #0d1a14;
  --panel-2: #12231a;
  --line: #253a2e;
  --text: #edf8f1;
  --muted: #9caf9f;
  --green: #55d792;
  --green-dark: #123b27;
  --blue: #78b8ff;
  --blue-dark: #142e4b;
  --red: #ff928b;
  --red-dark: #3d1816;
  --amber: #ffc76d;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 10% 0%, #113021 0, transparent 32%), var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; }
button, textarea { font: inherit; }
button { cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }
.topbar { height: 68px; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; gap: 20px; background: rgba(13,26,20,.92); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.brand, .identity { display: flex; align-items: center; gap: 11px; }
.brand-mark, .agent-logo { display: grid; place-items: center; background: var(--green); color: #062015; font-weight: 700; }
.brand-mark { width: 36px; height: 36px; border-radius: 11px; }
.brand strong, .brand small { display: block; }
.brand small, .identity, small { color: var(--muted); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(85,215,146,.12); }
.text-button { border: 0; background: transparent; color: var(--green); padding: 6px; }
.workspace { flex: 1; display: grid; grid-template-columns: minmax(350px,.82fr) minmax(520px,1.18fr); }
.chat-panel, .trace-panel { min-width: 0; padding: 24px; }
.chat-panel { display: flex; flex-direction: column; border-right: 1px solid var(--line); background: rgba(13,26,20,.6); }
.panel-heading, .section-title { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.eyebrow { color: var(--green); font-size: 12px; letter-spacing: .14em; font-weight: 600; }
h1, h2 { margin: 3px 0 0; font-weight: 500; }
h1 { font-size: 27px; }
h2 { font-size: 22px; }
.governed, .trace-state { padding: 7px 10px; border-radius: 999px; color: var(--green); background: var(--green-dark); font-size: 13px; }
.messages { flex: 1; min-height: 320px; max-height: calc(100vh - 285px); overflow-y: auto; padding: 24px 2px; display: flex; flex-direction: column; gap: 13px; }
.message { max-width: 92%; padding: 13px 15px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel-2); }
.message.user { align-self: flex-end; border-color: transparent; background: var(--green-dark); }
.message strong { font-size: 12px; color: var(--green); }
.message-body { margin-top: 6px; line-height: 1.5; }
.message-body p { margin: 6px 0 0; }
.message-body ul { margin: 7px 0 0; padding-left: 20px; }
.message-body code { padding: 2px 5px; border-radius: 5px; background: rgba(0,0,0,.24); color: var(--amber); font: .9em ui-monospace, SFMono-Regular, Consolas, monospace; }
.markdown-table-wrap { max-width: 100%; margin-top: 9px; overflow-x: auto; }
.message table { width: 100%; border-collapse: collapse; font-size: 13px; }
.message th, .message td { padding: 7px 9px; border: 1px solid var(--line); text-align: left; white-space: nowrap; }
.message th { color: var(--green); background: rgba(0,0,0,.16); }
.examples { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 10px; }
.examples button { padding: 7px 9px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--muted); }
.examples button:hover { color: var(--text); border-color: var(--green); }
.composer { display: flex; align-items: end; gap: 10px; padding: 10px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.composer textarea { flex: 1; resize: none; border: 0; outline: 0; background: transparent; color: var(--text); line-height: 1.45; }
.composer button, .login-button { border: 0; border-radius: 10px; padding: 11px 14px; background: var(--green); color: #062015; font-weight: 600; text-decoration: none; }
.composer button:disabled { opacity: .6; cursor: wait; }
.trace-panel { display: flex; flex-direction: column; gap: 17px; }
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr; align-items: center; gap: 7px; padding: 18px 0; }
.flow > i { color: #466052; font-style: normal; }
.flow-node { min-width: 0; padding: 13px 8px; text-align: center; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); transition: .2s ease; }
.flow-node span { width: 27px; height: 27px; margin: 0 auto 7px; display: grid; place-items: center; border-radius: 8px; background: #1a2b21; color: var(--muted); }
.flow-node strong, .flow-node small { display: block; overflow-wrap: anywhere; }
.flow-node small { margin-top: 4px; }
.flow-node.complete { border-color: #2e8054; background: var(--green-dark); }
.flow-node.complete span { background: var(--green); color: #062015; }
.flow-node.denied { border-color: #87403a; background: var(--red-dark); }
.flow-node.denied span { background: var(--red); color: #2b0907; }
.scope-box, .events-box { padding: 15px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.scope-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 11px; }
.scope-list span { padding: 6px 8px; border-radius: 7px; color: var(--green); background: var(--green-dark); font: 12px ui-monospace, SFMono-Regular, Consolas, monospace; }
.events-box { flex: 1; }
.events { margin-top: 8px; }
.empty { padding: 22px 0; color: var(--muted); text-align: center; }
.event { display: grid; grid-template-columns: 10px minmax(0,1fr) auto; gap: 10px; align-items: start; padding: 10px 0; border-top: 1px solid var(--line); }
.event:first-child { border-top: 0; }
.event-mark { width: 9px; height: 9px; margin-top: 5px; border-radius: 50%; background: var(--green); }
.event.denied .event-mark { background: var(--red); }
.event.warning .event-mark { background: var(--amber); }
.event strong { font-size: 13px; }
.event p { margin: 3px 0 0; color: var(--muted); font-size: 12px; line-height: 1.4; }
.event time { color: var(--muted); font-size: 11px; }
.security-note { display: flex; gap: 12px; padding: 12px 14px; border-left: 3px solid var(--blue); background: var(--blue-dark); color: var(--blue); }
.security-note span { color: var(--muted); }
.login-body { display: grid; place-items: center; padding: 28px; }
.login-shell { width: min(960px,100%); min-height: 560px; display: grid; grid-template-columns: 1.1fr .9fr; border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: var(--panel); box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.login-story, .login-panel { padding: 54px; display: flex; flex-direction: column; justify-content: center; }
.login-story { background: radial-gradient(circle at 0 0, #1c5536 0, transparent 50%), #0b1c13; }
.login-story h1 { margin: 12px 0; font-size: clamp(34px,5vw,58px); line-height: 1.02; }
.login-story p, .login-panel p { color: var(--muted); line-height: 1.6; }
.story-path { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; color: var(--green); }
.story-path span { padding: 7px 9px; border-radius: 8px; background: var(--green-dark); }
.story-path b { align-self: center; color: var(--muted); }
.login-panel { align-items: flex-start; }
.agent-logo { width: 45px; height: 45px; border-radius: 13px; margin-bottom: 18px; }
.login-panel h2 { font-size: 28px; }
.login-button { width: 100%; margin: 18px 0; text-align: center; }
.login-button.disabled { opacity: .55; pointer-events: none; }
.login-panel small { align-self: center; }
.error { width: 100%; padding: 10px 12px; border-radius: 8px; color: var(--red); background: var(--red-dark); }
@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .chat-panel { min-height: 690px; border-right: 0; border-bottom: 1px solid var(--line); }
  .messages { max-height: 420px; }
}
@media (max-width: 650px) {
  .topbar { height: auto; padding: 12px; align-items: flex-start; }
  .identity { align-items: flex-end; flex-direction: column; }
  .chat-panel, .trace-panel { padding: 16px; }
  .flow { grid-template-columns: 1fr; }
  .flow > i { transform: rotate(90deg); text-align: center; }
  .login-body { padding: 12px; }
  .login-shell { grid-template-columns: 1fr; }
  .login-story, .login-panel { padding: 30px; }
}